期刊
HIGH ENERGY CHEMISTRY
卷 44, 期 6, 页码 503-510出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0018143910060081
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资金
- Russian Academy of Sciences
- Russian Foundation for Basic Research [10-03-00190, 09-03-97016r]
The luminescent properties of homoleptic scandium complexes with 2-substituted 8-hydroquinolines bearing the substituent groups H (1), CH3 (2), CN (3), and NH2 (4) were studied for use as emission layers in organic light-emitting diodes. It was found that the introduction of a substituent into the 2-position makes its possible to effectively shift the emission maximum to the blue or red region: to 530 nm (yellow-green) by 1 and 2, 615 nm (orange) by 3, and 495 nm (blue-green) by 4. The structure and the optical properties of the complexes were determined by density-functional-theory quantum-chemical calculations. The theoretical spectra agree well with the experimental photoluminescence spectra.
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